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Real-world comparison of probe vehicle emissions and fuel consumption using diesel and 5 % biodiesel (B5) blend.

Ropkins, K., Quinn, R., Beebe, J., Daham, B., Tate, J., Bell, M. and Andrews, G. (2007) Real-world comparison of probe vehicle emissions and fuel consumption using diesel and 5 % biodiesel (B5) blend. Science of the Total Environment, 376 (1-3). pp. 267-284. ISSN 0048-9697

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Abstract

An instrumented EURO I Ford Mondeo was used to perform a real-world comparison of vehicle exhaust (carbon dioxide, carbon monoxide, hydrocarbons and oxides of nitrogen) emissions and fuel consumption for diesel and 5% biodiesel in diesel blend (B5) fuels. Data were collected on multiple replicates of three standardised on-road journeys: (1) A simple urban route; (2) A combined urban/inter-urban route; and, (3) An urban route subject to significant traffic management. At the total journey measurement level, data collected here indicate that replacing diesel with a B5 substitute could result in significant increases in both NOx emissions (8-13%) and fuel consumption (7-8%). However, statistical analysis of probe vehicle data demonstrated the limitations of comparisons based on such total journey measurements, i.e., methods analogous to those used in conventional dynamometer/drive cycle fuel comparison studies. Here, methods based on the comparison of speed/acceleration emissions and fuel consumption maps are presented. Significant variations across the speed/acceleration surface indicated that direct emission and fuel consumption impacts were highly dependent on the journey/drive cycle employed. The emission and fuel consumption maps were used both as descriptive tools to characterise impacts and predictive tools to estimate journey-specific emission and fuel consumption effects.

Item Type: Article
Copyright, Publisher and Additional Information: © 2007 Elsevier B.V. This is an author produced version of a paper published in Science of the total environment. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: Real-world emissions; Vehicle exhaust emissions; Diesel; Biodiesel; Regulated gaseous emissions; Fuel consumption.
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Environment (Leeds) > Institute for Transport Studies (Leeds)
Depositing User: Adrian May
Date Deposited: 03 Aug 2007
Last Modified: 18 Jul 2014 07:50
Published Version: http://www.sciencedirect.com/science/journal/00489...
Status: Published
Publisher: Elsevier Science
Refereed: Yes
Identification Number: 10.1016/j.scitotenv.2006.11.021
Related URLs:
URI: http://eprints.whiterose.ac.uk/id/eprint/2508

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